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Exam 400-007 All Questions

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Exam 400-007 topic 1 question 18 discussion

Actual exam question from Cisco's 400-007
Question #: 18
Topic #: 1
[All 400-007 Questions]

An architect designs a multi-controller network architecture with these requirements:
* Achieve fast failover to control traffic when controllers fail.
* Yield a short distance and high resiliency in the connection between the switches and the controller.
* Reduce connectivity loss and enable smart recovery to improve the SDN survivability.
* Improve connectivity by adding path diversity and capacity awareness for controllers.
Which control plane component of the multi-controller must be built to meet the requirements?

  • A. control node reliability
  • B. control path reliability
  • C. controller state consistency
  • D. controller clustering
Show Suggested Answer Hide Answer
Suggested Answer: B 🗳️

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pizdecvsemu
Highly Voted 1 year, 9 months ago
Selected Answer: B
B. https://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=8314783 Page 9 and 10, 3) SURVIVOR
upvoted 6 times
XalaGyan
11 months ago
i agree that SURVIVOR meets most of the given keywords and hints. Answer B seems correct to me too
upvoted 1 times
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ba7a09d
Most Recent 1 week ago
Selected Answer: B
Its about connectivity/communication between devices, so path resiliency
upvoted 1 times
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Redrum702
4 months, 4 weeks ago
My revised answer is B: disregard my previous answer of D.
upvoted 1 times
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Redrum702
5 months ago
Answer is D: Controller Clustering - involves grouping multiple SDN controllers to work together as a single logical unit. This approach enhances the reliability, scalability, and fault tolerance of the network control plane.
upvoted 1 times
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walkwolf3
1 year ago
Selected Answer: B
The answer is between controller path and node, controller path reliability is a better option.
upvoted 1 times
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exmjame
1 year, 5 months ago
C. Look at the "FIGURE 7. The multi-controller consistency solutions" in this ieee reference doco - https://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=8314783
upvoted 2 times
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gcpengineer
1 year, 9 months ago
why not B
upvoted 1 times
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gohor
1 year, 10 months ago
C should be the correct answer
upvoted 2 times
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